Synthesis of Ag Deposited ZnO:Cu Nanoparticles and Study of Their High Photocatalytic Performance

被引：0

作者：

Luo K. ^{[1
]}

Yuan H. ^{[1
]}

Liu Y. ^{[1
]}

Zhang J. ^{[1
]}

Zhang Q. ^{[1
]}

Wang X. ^{[1
]}

Hu W. ^{[1
]}

Li J. ^{[1
]}

Xu M. ^{[1
]}

机构：

[1] College of Electrical & Information Engineering & Key Laboratory of Information Materials of Sichuan Province, Southwest Minzu University, Chengdu

来源：

Cailiao Daobao/Materials Reports | 2020年 / 34卷 / 02期

关键词：

Ag/ZnO heterojunction; Photocatalysis; Polymer network gel method; ZnO:Cu nanoparticles;

D O I：

10.11896/cldb.18100226

中图分类号：

学科分类号：

摘要：

Ag deposited ZnO:Cu nanoparticles were prepared by polymer network gel method. XRD and SEM results revealed that the grain size of ZnO nanoparticles decreased but the dispersion of the particles was improved after Cu doping. XPS showed that Cu ions existed in the form of Cu2+ and Cu+ in samples. In conjunction with PL spectrum, the energy level transition between Cu+ and Cu2+ is considered to be an important factor in blue light emission. UV-vis spectrum evidenced that Cu doping significantly enhanced the absorption of visible light by Ag-ZnO composite system. The photocatalytic performance of the samples was tested by degrading methylene blue (MB) under the simulated sunlight and ultraviolet light respectively. Analysis suggests that the synergistic effect between Cu ions and Ag/ZnO heterojunction can promote the photocatalytic reaction. Compared to Ag-ZnO nanoparticles with 5mol% Cu, Ag-ZnO sample with trace doping of 0.2mol% Cu exhibited better photocatalytic activity due to its advantages in morphology, optical properties and other aspects. © 2020, Materials Review Magazine. All right reserved.

引用

页码：04013 / 04019

页数：6

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